107 citations · 1.3k across the 60 of their papers we have counts for
28 papers · 1 filter
Why are the dilepton temperatures at the relativistic heavy-ion colliders are constant, T ~ 0.3 GeV?
Horst Stoecker, Leonid M. Satarov, Volodymyr Vovchenko
The STAR collaboration at RHIC and the ALICE collaboration at the LHC have reported dielectron spectra in the intermediate mass region, M = (1-3) GeV, which reveal a strikingly con…
Phase diagram of bosonic matter with additional derivative interaction
Leonid M. Satarov, Igor N. Mishustin, Horst Stoecker
Equation of state of uncharged bosonic matter is studied within a field-theoretical approach in the mean-field approximation. Interaction of bosons is described by a scalar field $…
Pion stars embedded in neutrino clouds
O. S. Stashko, O. V. Savchuk, L. M. Satarov +3
We study self-gravitating multi-pion systems (pion stars) in a state of the Bose condensate. To ensure stability of such stars, it is assumed that they are immersed in the lepton b…
Critical point fluctuations: Finite size and global charge conservation effects
Roman V. Poberezhnyuk, Oleh Savchuk, Mark I. Gorenstein +6
We investigate simultaneous effects of finite system size and global charge conservation on thermal fluctuations in the vicinity of a critical point. For that we consider a finite…
Chemical freeze-out conditions in hadron resonance gas
V. Vovchenko, M. I. Gorenstein, L. M. Satarov +1
The hadron resonance gas model with hadron-type dependent eigenvolume corrections is employed to fit the hadron yield data of the NA49 collaboration for central Pb+Pb collisions at…
Entropy production in chemically non-equilibrium quark-gluon plasma created in central Pb+Pb collisions at LHC energies
V. Vovchenko, M. I. Gorenstein, L. M. Satarov +4
We study the possibility that partonic matter produced at early stage of ultrarelativistic heavy-ion collisions is out of chemical equilibrium. It is assumed that initially this ma…
Undersaturation of quarks at early stages of relativistic nuclear collisions: the hot glue initial scenario and its observable signatures
H. Stoecker, M. Beitel, T. S. Biró +17
The early stage of high multiplicity nuclear collisions is represented by a nearly quarkless, hot, deconfined pure gluon plasma. This new scenario should be characterized by a supp…
Glueballs amass at RHIC and LHC Colliders! - The early quarkless 1st order phase transition at MeV - from pure Yang-Mills glue plasma to GlueBall-Hagedorn states
Horst Stoecker, Kai Zhou, Stefan Schramm +18
The early stage of high multiplicity pp, pA and AA collider is represented by a nearly quarkless, hot, deconfined pure gluon plasma. According to pure Yang-Mills Lattice Gauge Theo…
Thermodynamically Anomalous Regions As A Mixed Phase Signal
K. A. Bugaev, A. I. Ivanytskyi, D. R. Oliinychenko +5
Using the most advanced model of the hadron resonance gas we reveal, at chemical freeze-out, remarkable irregularities such as an abrupt change of the effective number of degrees o…
Evolution of antibaryon abundances in the early Universe and in heavy-ion collisions
L. M. Satarov, I. N. Mishustin, W. Greiner
We study the kinetics of antibaryon production and annihilation in an expanding system, assuming that it is spatially homogeneous and chemically equilibrated at the initial stage.…
Hydrodynamic modeling of deconfinement phase transition in heavy-ion collisions at NICA-FAIR energies
A. V. Merdeev, L. M. Satarov, I. N. Mishustin
We use (3+1) dimensional ideal hydrodynamics to describe the space-time evolution of strongly interacting matter created in Au+Au and Pb+Pb collisions. The model is applied for the…
Hydrodynamic modeling of deconfinement phase transition in nuclear collisions
I. N. Mishustin, A. V. Merdeev, L. M. Satarov
The (3+1)-dimensional ideal hydrodynamics is used to simulate collisions of gold nuclei with bombarding energies from 1 to 160 GeV per nucleon. The initial state is represented by…
Equation of state of hadron resonance gas and the phase diagram of strongly interacting matter
L. M. Satarov, M. N. Dmitriev, I. N. Mishustin
The equation of state of hadron resonance gas at finite temperature and baryon density is calculated taking into account finite-size effects within the excluded volume model. Contr…
1+1 Dimensional Hydrodynamics for High-energy Heavy-ion Collisions
L. M. Satarov, I. N. Mishustin, A. V. Merdeev +1
A 1+1 dimensional hydrodynamical model in the light-cone coordinates is used to describe central heavy-ion collisions at ultrarelativistic bombarding energies. Deviations from Bjor…
Possible glueball production in relativistic heavy-ion collisions
I. N. Mishustin, L. M. Satarov, W. Greiner
Within a thermal model we estimate possible multiplicities of scalar glueballs in central Au+Au collisions at AGS, SPS, RHIC and LHC energies. For the glueball mass in the region 1…
Longitudinal fluid dynamics for ultrarelativistic heavy-ion collisions
L. M. Satarov, I. N. Mishustin, A. V. Merdeev +1
We develop a 1+1 dimensional hydrodynamical model for central heavy-ion collisions at ultrarelativistic energies. Deviations from Bjorken's scaling are taken into account by implem…
Mach shocks induced by partonic jets in expanding quark-gluon plasma
L. M. Satarov, H. Stoecker, I. N. Mishustin
We study Mach shocks generated by fast partonic jets propagating through a deconfined strongly-interacting matter. Our main goal is to take into account different types of collecti…
Possible production of exotic baryonia in relativistic heavy-ion collisions
I. N. Mishustin, L. M. Satarov, D. Strottman +1
Properties of a hypothetical baryonium with the quark content ($uds\ov{u}\ov{d}\ov{s}$) are discussed. The MIT bag model predicts its mass to be unexpectedly low, approximately 121…
How far is normal nuclear matter from the chiral symmetry restoration?
I. N. Mishustin, L. M. Satarov, W. Greiner
Properties of cold nuclear matter are studied within a generalized Nambu-Jona-Lasinio model formulated on the level of constituent nucleons. The model parameters are chosen to repr…
Catastrophic rearrangement of a compact star due to the quark core formation
I. N. Mishustin, M. Hanauske, A. Bhattacharyya +3
We study properties of compact stars with the deconfinement phase transition in their interiors. The equation of state of cold baryon-rich matter is constructed by combining a rela…
Constraints on possible phase transitions above the nuclear saturation density
I. N. Mishustin, L. M. Satarov, H. Stoecker +1
We compare different models for hadronic and quark phases of cold baryon-rich matter in an attempt to find a deconfinement phase transition between them. For the hadronic phase we…
Strange quark matter within the Nambu-Jona-Lasinio model
I. N. Mishustin, L. M. Satarov, H. Stoecker +1
Equation of state of baryon rich quark matter is studied within the SU(3) Nambu-Jona-Lasinio model with flavour mixing interaction. Possible bound states (strangelets) and chiral p…
Unusual bound states of quark matter within the NJL model
I. N. Mishustin, L. M. Satarov, H. Stoecker +1
Properties of dense quark matter in and out of chemical equilibrium are studied within the SU(3) Nambu-Jona-Lasinio model. In addition to the 4-fermion scalar and vector terms the…
Coherent photon bremsstrahlung and dynamics of heavy-ion collisions: comparison of different models
U. Eichmann, C. Ernst, W. Greiner +1
Differential spectra of coherent photon bremsstrahlung in relativistic heavy ion collisions are calculated within various schematic models of the projectile-target stopping. Two ve…